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Display sum the values of the datagridview cell columns in datagridview cell row footer

Posted By:satyapriyanayak       Posted Date: September 02, 2013    Points: 40    Category: Visual Studio    URL: http://www.dotnetspark.com  

We will know how to display sum the values of the datagridview cell columns in datagridview cell row footer.


<?xml version="1.0" encoding="utf-8" ?>
        <add key="dsn" value="Provider=Microsoft.Jet.OLEDB.4.0;Data Source=..\EMP.mdb" />


using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Data.OleDb;
namespace Sum_datagridview_cell_row_footer
    public partial class Form1 : Form
        string ConnectionString = System.Configuration.ConfigurationSettings.AppSettings["dsn"];
        OleDbCommand com;
        OleDbDataAdapter oledbda;
        DataSet ds;
        string str;

        public Form1()

        private void Form1_Load(object sender, EventArgs e)
        private void bindgrid()
            OleDbConnection con = new OleDbConnection(ConnectionString);
            str = "select * from product";
            com = new OleDbCommand(str, con);
            oledbda = new OleDbDataAdapter(com);
            ds = new DataSet();
            oledbda.Fill(ds, "product");
            dataGridView1.DataMember = "product";
            dataGridView1.DataSource = ds;
            dataGridView1[0, dataGridView1.Rows.Count - 1].Value = "Total Sum";
            dataGridView1.Rows[dataGridView1.Rows.Count - 1].Cells[0].Style.BackColor = Color.Yellow;
            dataGridView1.Rows[dataGridView1.Rows.Count - 1].Cells[1].Style.ForeColor = Color.Red;

        private void dataGridView1_DataSourceChanged(object sender, EventArgs e)
            int sum = 0;

            for (int i = 0; i < dataGridView1.Rows.Count - 1; i++)

                if (dataGridView1[1, i].Value != DBNull.Value)
                    sum += (int)dataGridView1[1, i].Value;
            dataGridView1[1, dataGridView1.Rows.Count - 1].Value = sum;



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